2x U.S. Olympian and 2013 World Championship 800m silver medalist Nick Symmonds has become the first person to have run a sub-4:00 minute mile and summit Mount Everest. He was part of a group of 30 climbers that reached it today. He has a 3:59.68 mile personal best. 🎥 via climbingthesevensummits/IG #fyp #nicksymmonds #mteverest #everest #everestsummit #sub4 #sub4mile #track #tracktok #fyp